Home / 6,418.76-9,628.48-1,802.12

Finding the Fourth Proportional to 6,418.76, 9,628.48 and 1,802.12

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Solution

The fourth proportional to 6,418.76, 9,628.48 and 1,802.12 is: 2,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.76 : 9,628.48 = 1,802.12 : x
  2. Step 2: Convert to fraction form
    6,418.76/9,628.48 = 1,802.12/x
  3. Step 3: Cross multiply
    6,418.76x = 9,628.48 × 1,802.12
  4. Step 4: Simplify right side
    6,418.76x = 17,351,676.38
  5. Step 5: Solve for x
    x = 17,351,676.38/6,418.76
  6. Step 6: Final answer
    x = 2,703.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.